Are the Ratios Proportional

Ratios that are in proportion are also....

• reciprocals

• constraint

• bourgeoisie

• equivalent

You a graph represents a proportional relationship when the graph...

• is a curved line

• is a straight line

• passes through the origin

• is a straight line AND passes through the origin

Which graph represents a proportional relationship?

• 
• 
• 
• 

Select ALL statements that support these two ratios being proportional.

• Both cross-products are 216.

• The cross-products are 96 and 486.

• The cross-products are 144 and 324.

• The simplified ratios are 4/6 and 6/9.

• The simplified ratios are both 2/3.

Are the two ratios proportional?

• YES

• NO

Are the two ratios proportional?

• YES

• NO

Is the pair of ratios proportional?

• yes

• no

Is this pair of ratios proportional?

• yes

• no

• Yes

• No

An elevator moves at a constant rate of 18 feet in 3 seconds. A second elevator moves at a constant rate of 40 feet in 5 seconds.

The situation ​ ​ (a)   a proportional relationship because ​ (b)  

• does not represent

• the ratios are different

• represents

• the ratios are equivalent